# Converts from code on the left of '>' to code on the right.  

# The number of letters allowed in each code (left and right of '>')
# is described with the syntax "X>Y".

# There can be any number of sections delimited by the "X>Y"
  string. Each section must be ended with the {END} marker.

3>1
ALA>A
CYS>C
ASP>D
GLU>E
PHE>F
GLY>G
HIS>H
ILE>I
LYS>K
LEU>L
MET>M
ASN>N
PRO>P
GLN>Q
ARG>R
SER>S
THR>T
VAL>V
TRP>W
TYR>Y
{END}

3>3
ALA>Ala
CYS>Cys
ASP>Asp
GLU>Glu
PHE>Phe
GLY>Gly
HIS>His
ILE>Ile
LYS>Lys
LEU>Leu
MET>Met
ASN>Asn
PRO>Pro
GLN>Gln
ARG>Arg
SER>Ser
THR>Thr
VAL>Val
TRP>Trp
TYR>Tyr
{END}